Complete the Identity $\frac { \cos \theta - \sin ^ { 2 } \theta } { \cos \theta } \cdot \csc \theta$

Multiple Choice

Complete the identity.
-The expression $\frac { \cos \theta - \sin ^ { 2 } \theta } { \cos \theta } \cdot \csc \theta$
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be u: the right hand side of the equation to complete the identity?

A) $\tan ^ { 2 } \theta$
B) $\cos \theta = 1$
C) $\sec \theta + \cos \theta$
D) $\csc \theta - \tan \theta$